AlSbO3

AlSbO3 is a metastable, wide-gap insulating oxide belonging to the spinel-related family of materials.

Crystal structure of AlSbO3 (monoclinic, P21 (No. 4))
Ground-state structure · Materials Project
Overview

About AlSbO3

AlSbO3 is a complex oxide compound categorized within the spinel oxide catalyst family. As a wide-gap insulator, it exhibits distinct electronic characteristics that differentiate it from more conductive metallic oxides, making it a subject of interest for specialized catalytic research and structural investigations.

Despite its metastable nature, the compound has been identified across multiple structural databases, highlighting its significance in the exploration of non-traditional oxide phases. Its unique composition of aluminum, antimony, and oxygen allows researchers to probe the stability limits of spinel-related architectures in high-performance material applications.

At a glance

Key Properties

Cross-validated computational properties for AlSbO3, aggregated across 3 databases.

Band Gap

0.40–2.80 eV
Range across DFT structures · ground state: wide gap

Energy Above Hull

0.019 eV/atom
Best (lowest) across sources

Stability

Near Hull
3 DFT sources

Structures

14
3 databases, 4 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of AlSbO3. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

0.01 / 1.00
Trust tier: low

Hull Spread

0.248 eV
EAH spread across sources

Sources Compared

3
jarvis, materials_project, oqmd

Space Group Consensus

Mixed (most: P21 (No. 4))
Crystallography

Reported Structures

Lowest-energy structures reported for AlSbO3, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
——2.800.0194-2.403—
P21 (No. 4)monoclinic3.910.0619-7.0714.02
——1.290.1406-2.282—
——2.250.2001-2.222—
——1.910.2275-2.195—
Pm-3m (No. 221)cubic1.560.2676-2.113—
——1.420.3125-2.110—
——1.260.3129-2.109—
Pm-3m (No. 221)cubic1.130.3196-6.8136.18
Pnma (No. 62)orthorhombic0.320.3399-6.7935.04
P63cm (No. 185)hexagonal1.250.4061-6.7275.36
P63cm (No. 185)hexagonal1.300.4115-1.969—
Uses

Applications

Where AlSbO3 is used.

Catalytic researchAdvanced material synthesisStructural oxide studies
Reference

Frequently Asked Questions

Common questions about AlSbO3, answered from cross-validated data.

What is AlSbO3?

AlSbO3 is a metastable, wide-gap insulating oxide belonging to the spinel-related family of materials.

More questions
What is AlSbO3 used for?
AlSbO3 is used in catalytic research, advanced material synthesis, and structural oxide studies.
What is the band gap of AlSbO3?
AlSbO3 has a DFT-computed band gap of 0.40–2.80 eV across 14 reported structures. Standard DFT underestimates band gaps, so the measured gap is typically larger.
Is AlSbO3 a metal, semiconductor, or insulator?
DFT predicts a band gap of up to 2.80 eV (a semiconductor). Measured gaps are typically larger.
Is AlSbO3 thermodynamically stable?
AlSbO3 has a lowest energy above hull of 0.019 eV/atom (near hull).
What is the crystal structure of AlSbO3?
The reference structure of AlSbO3 is monoclinic symmetry, space group P21 (No. 4).
What is the density of AlSbO3?
The computed density of the ground-state structure of AlSbO3 is 4.02 g/cm³.
How many polymorphs of AlSbO3 are known?
14 structures of AlSbO3 are reported across 3 databases, spanning 4 distinct space groups.
What elements does AlSbO3 contain?
AlSbO3 contains Al, O, and Sb (3 elements).
Where does the data for AlSbO3 come from?
AlSbO3 data is cross-referenced from oqmd, materials_project, jarvis, mpaloe.
Comparison

How It Compares

Within the spinel oxide catalysts class.

Within the diverse group of spinel and perovskite-related oxides like MgAl2O4, Al2O3, and LaAlO3, AlSbO3 stands out as a metastable phase that offers a different structural pathway compared to the highly stable and common aluminates. While materials like ZnO or CuO are frequently utilized for their well-defined semiconducting or catalytic properties, AlSbO3 serves as a specialized candidate for exploring electronic insulation and structural diversity within the broader oxide catalyst class.

Explore

Related Compounds

Other Spinel Oxide Catalysts in the database.

Data sources & attribution
  • oqmd — Data from the OQMD (oqmd.org). Cite: Saal et al., JOM 65, 1501 (2013); Kirklin et al., npj Comp. Mater. 1, 15010 (2015). (CC-BY-4.0)
  • materials_project — Data from the Materials Project (materialsproject.org). Cite: Jain et al., APL Materials 1, 011002 (2013). (CC-BY-4.0)
  • jarvis — Data from JARVIS (jarvis.nist.gov), NIST. Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020). (LicenseRef-US-Gov-PD)
  • mpaloe — Data from MP-ALOE. Cite: Kuner et al., npj Comput. Mater. (2025), doi:10.1038/s41524-025-01834-9.

Analyze AlSbO3 in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 85 source databases.

Explore the Platform →
Results are informational and should be validated by qualified professionals. See Terms of Service